55 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			55 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|  | /*
 | ||
|  |  * Copyright (c) 2006-2023, RT-Thread Development Team | ||
|  |  * | ||
|  |  * SPDX-License-Identifier: Apache-2.0 | ||
|  |  * | ||
|  |  * Change Logs: | ||
|  |  * Date           Author        Notes | ||
|  |  * 2021-10-11     kyle          first version | ||
|  |  * 2022-6-14      solar         Remove the const attribute of private data in ops | ||
|  |  */ | ||
|  | 
 | ||
|  | #ifndef __SPI_BIT_OPS_H__
 | ||
|  | #define __SPI_BIT_OPS_H__
 | ||
|  | 
 | ||
|  | #include <rtdevice.h>
 | ||
|  | 
 | ||
|  | #ifdef __cplusplus
 | ||
|  | extern "C" { | ||
|  | #endif
 | ||
|  | 
 | ||
|  | struct rt_spi_bit_ops | ||
|  | { | ||
|  |     void *data;            /* private data for lowlevel routines */ | ||
|  |     void (*const tog_sclk)(void *data); | ||
|  |     void (*const set_sclk)(void *data, rt_int32_t state); | ||
|  |     void (*const set_mosi)(void *data, rt_int32_t state); | ||
|  |     void (*const set_miso)(void *data, rt_int32_t state); | ||
|  |     rt_int32_t (*const get_sclk)(void *data); | ||
|  |     rt_int32_t (*const get_mosi)(void *data); | ||
|  |     rt_int32_t (*const get_miso)(void *data); | ||
|  | 
 | ||
|  |     void (*const dir_mosi)(void *data, rt_int32_t state); | ||
|  |     void (*const dir_miso)(void *data, rt_int32_t state); | ||
|  | 
 | ||
|  |     void (*const udelay)(rt_uint32_t us); | ||
|  |     rt_uint32_t delay_us;  /* sclk, mosi and miso line delay */ | ||
|  | }; | ||
|  | 
 | ||
|  | struct rt_spi_bit_obj | ||
|  | { | ||
|  |     struct rt_spi_bus bus; | ||
|  |     struct rt_spi_bit_ops *ops; | ||
|  |     struct rt_spi_configuration config; | ||
|  | }; | ||
|  | 
 | ||
|  | rt_err_t rt_spi_bit_add_bus(struct rt_spi_bit_obj *obj, | ||
|  |                             const char            *bus_name, | ||
|  |                             struct rt_spi_bit_ops *ops); | ||
|  | 
 | ||
|  | #ifdef __cplusplus
 | ||
|  | } | ||
|  | #endif
 | ||
|  | 
 | ||
|  | #endif
 |